Tailwind CSS v3 color

Tailwind violet-300 #C4B5FD

Tailwind CSS v3's violet-300 is #C4B5FD. It is a light soft violet in the violet family. In OKLCH it sits at lightness 0.811, chroma 0.101 and hue 293.6°. The nearest CSS named color is lightsteelblue (#B0C4DE), ΔE2000 10.8 away.

Relative luminance
0.5188
OKLCH L · C · h
0.811 · 0.101 · 293.6
Best text
Black 11.37:1
Hue family
Violet

#C4B5FD color codes

HEX
#C4B5FD
RGB
rgb(196, 181, 253)
HSL
hsl(252, 95%, 85%)
OKLCH
oklch(0.811 0.101 293.6)
OKLab
oklab(0.811 0.041 -0.093)
CIELAB (D65)
L* 77.21, a* 19.93, b* -33.65
XYZ (D65)
X 57.01, Y 51.87, Z 99.92
CMYK (naive)
cmyk(23%, 28%, 0%, 1%)

CIELAB and XYZ use the D65 white point; CSS lab() uses D50, so paste the OKLCH or HEX value into stylesheets. CMYK here is a plain formula with no press profile.

Legibility

Contrast: is #C4B5FD accessible?

Black text on it reaches 11.37:1, passing AAA. White text fails at 1.84:1.

WCAG 2 gives the same ratio whichever color is the text; APCA does not, so its Lc changes sign and size with polarity.

Open the Contrast System
  • Black text on it

    11.37:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +69
  • White text on it

    1.84:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −38
  • As text on black

    11.37:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −67
  • As text on white

    1.84:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +34

Nearest versions that pass 4.5:1

  • For text on white

    #7C6DAF 4.50:1

    Darkening its OKLCH lightness from 0.81 to 0.58 reaches 4.50:1 on white, keeping the hue.

  • For text on black

    #C4B5FD 11.37:1

    It already reaches 11.37:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #C4B5FD live

Move lightness, chroma and hue in OKLCH, or drag on the map. The map is every lightness and chroma at the current hue: sRGB inside the solid area, Display P3 out to the dashed line.

The studio needs JavaScript.

Scale

Shades and tints of #C4B5FD

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #C4B5FD sits at step 300.

  1. 50#F5F3FF
    White
    1.09
    Black
    19.14
  2. 100#ECE8FF
    White
    1.19
    Black
    17.55
  3. 200#D9D0FF
    White
    1.45
    Black
    14.41
  4. 300This color#C4B5FD
    White
    1.84
    Black
    11.37
  5. 400#A496DA
    White
    2.64
    Black
    7.95
  6. 500#897ABD
    White
    3.76
    Black
    5.58
  7. 600#7262A4
    White
    5.25
    Black
    3.99
  8. 700#5B4C89
    White
    7.39
    Black
    2.83
  9. 800#43346C
    White
    10.78
    Black
    1.94
  10. 900#2C1E4E
    White
    14.96
    Black
    1.40
  11. 950#190B34
    White
    18.44
    Black
    1.13

Under each step, white and black text on it; a bold figure passes 4.5:1.

Tailwind CSS v3 violet scale

The real Tailwind palette, for comparison with the computed ramp above.

  1. 50#F5F3FF
    White
    1.09
    Black
    19.14
  2. 100#EDE9FE
    White
    1.18
    Black
    17.68
  3. 200#DDD6FE
    White
    1.38
    Black
    15.12
  4. 300This color#C4B5FD
    White
    1.84
    Black
    11.37
  5. 400#A78BFA
    White
    2.72
    Black
    7.71
  6. 500#8B5CF6
    White
    4.23
    Black
    4.95
  7. 600#7C3AED
    White
    5.69
    Black
    3.68
  8. 700#6D28D9
    White
    7.10
    Black
    2.95
  9. 800#5B21B6
    White
    8.98
    Black
    2.33
  10. 900#4C1D95
    White
    10.95
    Black
    1.91
  11. 950#2E1065
    White
    15.23
    Black
    1.37

Gamut

How vivid #C4B5FD can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.105; #C4B5FD uses 97% of it. Display P3, which many recent phones and laptops show, reaches 0.115 there: 10% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.101
sRGB edge
0.105
Display P3 edge
0.115
Rec. 2020 edge
0.117
Dominant wavelength
448 nm
Excitation purity
26%
Chromaticity
x 0.2730, y 0.2484
  • This color#C4B5FD
  • Most vivid in sRGB#C4B4FF
  • Most vivid in Display P3oklch(0.811 0.115 293.6)

On a screen without Display P3 the last tile shows the sRGB edge instead.

Use the wider color where screens show it
.accent {
  color: #c4b5fd;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.7593 0.7042 1); }
}

Mixing

Mixing #C4B5FD

Each row is the same mix worked out in a different space, with the halfway color at its end. sRGB, which older CSS gradients use, can sag gray or dark in the middle; OKLab keeps the lightness steps even; OKLCH holds chroma and hue as it goes.

White #FFFFFF

  • sRGB50%#E2DAFE
  • OKLab50%#E1DAFF
  • OKLCH50%#E1DAFF

Black #000000

  • sRGB50%#625B7F
  • OKLab50%#4A4462
  • OKLCH50%#4A4462

Its complement #C1C97B

  • sRGB50%#C3BFBC
  • OKLab50%#C1C1C1
  • OKLCH50%#FCA7A2
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #c4b5fd, white);
color: color-mix(in oklch, #c4b5fd 50%, white);

In use

#C4B5FD in an interface

A button, a link, a heading, a focused field, an icon and a chart line in this color, on a light page and a dark one. Each check is a WCAG 2 contrast minimum: 1.4.3 for text, 1.4.11 for the rest.

Light page

  • Button labelText, 4.5:111.37:1 Passes
  • Link and body-size textText, 4.5:11.84:1 Fails
  • Large headingLarge text, 3:11.84:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.84:1 Fails

For text on this page, the nearest shade that passes is #7C6DAF 4.50:1

Dark page

  • Button labelText, 4.5:111.37:1 Passes
  • Link and body-size textText, 4.5:110.14:1 Passes
  • Large headingLarge text, 3:110.14:1 Passes
  • Icons, borders and focus ringsNon-text, 3:110.14:1 Passes

Color vision

How #C4B5FD looks with color blindness

Achromatopsia changes it most, ΔE2000 21.7; deuteranopia changes it least, 9.8.

Simulated with Machado et al. (2009) at full severity, in linear light.

Simulate a whole page What each type sees
  • Protanopia

    No working red (long-wavelength) cones

    #A4BFFF ΔE2000 10.4

    Distinct

    Reads as light muted blue

  • Deuteranopia

    No working green (medium-wavelength) cones

    #A5BEFB ΔE2000 9.8

    Noticeable

    Reads as light muted blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #B8C1CF ΔE2000 13.6

    Distinct

    Reads as light grayish blue

  • Achromatopsia

    No cone color vision; lightness only

    #BFBFBF ΔE2000 21.7

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #C1C97B. Their lightness contrast is only 1.04:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#C4B5FD · #C1C97B52.6Stays distinct
Protanopia#A4BFFF · #D4C27545.3Stays distinct
Deuteranopia#A5BEFB · #D3C47F43.4Stays distinct
Tritanopia#B8C1CF · #CAC1B612.8Stays distinct
Achromatopsia#BFBFBF · #C3C3C31.0Easily confused

Harmony

Color harmonies for #C4B5FD

Its complement is #C1C97B, a light soft yellow.

Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.

Open the Harmony Studio
  • Base#C4B5FD
  • Complement#C1C97B

Complementary

Open in Harmony Studio
  • −30°#A2C1FF
  • Base#C4B5FD
  • +30°#E2ABE7
  • Base#C4B5FD
  • +120°#F5AF82
  • +240°#75D7BC
  • Base#C4B5FD
  • +150°#E1BC73
  • +210°#9AD397

Split-complementary

Open in Harmony Studio

Code

Design tokens

Ready-to-paste tokens in six formats. Rename them to fit your system.

CSS custom property

:root {
  --color-violet-300: #c4b5fd;
}

Tailwind config

// tailwind.config.js — already built in as violet-300;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        violet: { 300: '#c4b5fd' },
      },
    },
  },
};

Tailwind v4 theme

/* app.css — Tailwind CSS v4 */
@import "tailwindcss";

@theme {
  /* v4 has its own violet-300; this pins the v3 value. */
  --color-violet-300: oklch(0.811 0.101 293.6);
}

Design token (W3C DTCG)

{
  "color": {
    "violet-300": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.7686, 0.7098, 0.9922],
        "hex": "#c4b5fd"
      },
      "$description": "Tailwind CSS v3 violet-300"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let violet300 = Color(.sRGB, red: 0.769, green: 0.710, blue: 0.992, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Violet300 = Color(0xFFC4B5FD)
}

Matches

The nearest match in each system

The closest CSS name, Tailwind shade, RAL Classic paint and Crayola crayon by ΔE2000; under 2 is hard to tell apart side by side. RAL and Crayola values approximate physical colors.

Tools

Open #C4B5FD in the tools

Each opens over this page. More colors live in the Color Library, and every color page is listed on the hub.